Housing for a ventilation unit



FIG. 1 is a front perspective view of the housing for a ventilation unit;

FIG. 2 is a front elevation view of the housing for a ventilation unit;

FIG. 3 is a back elevation view of the housing for a ventilation unit;

FIG. 4 is a left side elevation view of the housing for a ventilation unit;

FIG. 5 is a right side elevation view of the housing for a ventilation unit;

FIG. 6 is a top plan view of the housing for a ventilation unit; and,

FIG. 7 is a bottom plan view of the housing for a ventilation unit. 

The ornamental design for a housing for a ventilation unit, as shown. 